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74 lines
2.6 KiB
C
74 lines
2.6 KiB
C
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/*
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* GStreamer
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* Copyright (C) 2015 Vivia Nikolaidou <vivia@toolsonair.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_VIDEOFRAME_AUDIOLEVEL_H__
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#define __GST_VIDEOFRAME_AUDIOLEVEL_H__
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#include <gst/gst.h>
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#include <gst/audio/audio.h>
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G_BEGIN_DECLS
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#define GST_TYPE_VIDEOFRAME_AUDIOLEVEL (gst_videoframe_audiolevel_get_type())
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#define GST_VIDEOFRAME_AUDIOLEVEL(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VIDEOFRAME_AUDIOLEVEL,GstVideoFrameAudioLevel))
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#define GST_IS_VIDEOFRAME_AUDIOLEVEL(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VIDEOFRAME_AUDIOLEVEL))
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#define GST_VIDEOFRAME_AUDIOLEVEL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_VIDEOFRAME_AUDIOLEVEL,GstVideoFrameAudioLevelClass))
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#define GST_IS_VIDEOFRAME_AUDIOLEVEL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_VIDEOFRAME_AUDIOLEVEL))
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#define GST_VIDEOFRAME_AUDIOLEVEL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_VIDEOFRAME_AUDIOLEVEL,GstVideoFrameAudioLevelClass))
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typedef struct _GstVideoFrameAudioLevel GstVideoFrameAudioLevel;
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typedef struct _GstVideoFrameAudioLevelClass GstVideoFrameAudioLevelClass;
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struct _GstVideoFrameAudioLevel
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{
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GstElement parent;
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GstPad *asrcpad, *asinkpad, *vsrcpad, *vsinkpad;
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GstAudioInfo ainfo;
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gdouble *CS; /* normalized Cumulative Square */
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GstSegment asegment, vsegment;
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void (*process) (gpointer, guint, guint, gdouble *);
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GQueue vtimeq;
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GstAdapter *adapter;
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GstClockTime first_time;
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guint total_frames;
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guint64 next_offset, alignment_threshold, discont_time, discont_wait;
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gboolean video_eos_flag;
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gboolean audio_flush_flag;
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gboolean shutdown_flag;
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GCond cond;
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GMutex mutex;
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};
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struct _GstVideoFrameAudioLevelClass
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{
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GstElementClass parent_class;
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};
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GType gst_videoframe_audiolevel_get_type (void);
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G_END_DECLS
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#endif /* __GST_VIDEOFRAME_AUDIOLEVEL_H__ */
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